国家外形专利，外边角铣边增加地面贴近性。
隐藏式双保护门，使用时手轻向两边箭头处边上按住打开。
盖片惯性滑落到功能件两端的插槽。
六位128型功能件设计，满足用户不同需求。
材质:铜合金、不锈钢

The national appearance patent, the outside edge to increase ground paste into the
angle iron.
The hidden double protection door, use hand to near the arrows on both sides hold
open.
The cover to inertial slide into the slot function ends.
The six type 128 function parts design, to meet the different needs of users.
Material:Copper alloy,Stainless steel